---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8205 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 793 5166 4 2271 7148 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:0c:5e:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80181sec preferred_lft 80181sec inet6 fe80::f816:3eff:fe0c:5ed5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8205) 03/23/26 _x86_64_ (2 CPU) 01:52:32 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:00 1.88 0.33 1.54 0.02 40.12 72.79 0.69 02:20:00 1.20 0.00 1.19 0.01 0.01 14.53 1.08 02:30:00 14.01 0.00 1.44 12.57 0.15 18.23 109796.89 02:40:00 1.14 0.00 1.12 0.02 0.00 14.21 1.20 02:50:00 1.13 0.00 1.11 0.02 0.00 13.99 1.20 03:00:00 13.25 1.76 10.50 0.99 117.48 2045.06 421.98 03:10:00 1.68 0.00 1.58 0.10 0.00 29.31 32.68 03:20:00 10.39 1.25 8.00 1.15 110.05 1119.52 575.59 03:30:00 1.64 0.02 1.60 0.02 0.95 68.84 0.41 Average: 5.15 0.37 3.12 1.66 29.86 377.39 12314.43 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:00 6244640 7520056 299696 3.69 30876 1450064 525644 5.73 452476 1200180 132 02:20:00 6251976 7527936 291772 3.59 31092 1450392 525780 5.73 452680 1200720 128 02:30:00 6246208 7522800 296792 3.65 31320 1450764 525780 5.73 452772 1201296 128 02:40:00 6245956 7523084 296508 3.65 31520 1451096 525848 5.73 453268 1201828 176 02:50:00 6245704 7523496 296084 3.64 31720 1451548 525848 5.73 453552 1202352 180 03:00:00 5543360 7384096 400776 4.93 69504 1947084 640108 6.97 601120 1719248 164 03:10:00 5567044 7409208 376012 4.62 70024 1948276 618872 6.74 579388 1720960 11608 03:20:00 5282868 7397676 373840 4.60 85336 2193964 647944 7.06 605992 1952984 252 03:30:00 5258512 7390340 381152 4.69 85484 2210832 650460 7.08 608436 1969768 2452 Average: 5876252 7466521 334737 4.12 51875 1728224 576254 6.28 517743 1485482 1691 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 1.09 0.22 3.08 0.03 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.37 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.30 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 0.33 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:00 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 03:00:00 ens3 33.79 22.55 256.40 6.12 0.00 0.00 0.00 0.00 03:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 2.83 0.73 0.86 0.40 0.00 0.00 0.00 0.00 03:20:00 lo 1.13 1.13 0.08 0.08 0.00 0.00 0.00 0.00 03:20:00 ens3 51.83 41.51 44.88 8.19 0.00 0.00 0.00 0.00 03:30:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:30:00 ens3 40.27 38.04 10.43 5.28 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.56 11.47 35.10 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8205) 03/23/26 _x86_64_ (2 CPU) 01:52:32 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:00 all 0.37 0.00 0.11 0.02 0.03 99.46 02:10:00 0 0.45 0.00 0.12 0.01 0.03 99.40 02:10:00 1 0.29 0.00 0.11 0.04 0.03 99.53 02:20:00 all 0.25 0.00 0.07 0.01 0.03 99.63 02:20:00 0 0.22 0.00 0.07 0.00 0.03 99.69 02:20:00 1 0.29 0.00 0.07 0.03 0.03 99.58 02:30:00 all 0.24 0.00 0.17 0.06 0.03 99.50 02:30:00 0 0.26 0.00 0.16 0.02 0.03 99.53 02:30:00 1 0.22 0.00 0.18 0.11 0.03 99.46 02:40:00 all 0.23 0.00 0.07 0.01 0.03 99.66 02:40:00 0 0.30 0.00 0.06 0.01 0.02 99.62 02:40:00 1 0.17 0.00 0.09 0.01 0.03 99.70 02:50:00 all 0.23 0.00 0.07 0.01 0.03 99.65 02:50:00 0 0.06 0.00 0.10 0.01 0.03 99.81 02:50:00 1 0.41 0.00 0.05 0.01 0.03 99.50 03:00:00 all 5.59 0.00 0.96 0.37 0.04 93.04 03:00:00 0 5.77 0.00 1.00 0.36 0.04 92.83 03:00:00 1 5.41 0.00 0.92 0.38 0.03 93.25 03:10:00 all 0.71 0.00 0.12 0.02 0.03 99.13 03:10:00 0 0.88 0.00 0.14 0.03 0.03 98.94 03:10:00 1 0.54 0.00 0.11 0.01 0.03 99.32 03:20:00 all 9.49 0.00 1.08 0.19 0.06 89.17 03:20:00 0 8.65 0.00 0.99 0.17 0.06 90.13 03:20:00 1 10.34 0.00 1.17 0.21 0.07 88.21 03:30:00 all 6.11 0.00 0.55 0.01 0.07 93.26 03:30:00 0 3.48 0.00 0.46 0.02 0.07 95.96 03:30:00 1 8.77 0.00 0.64 0.01 0.07 90.52 Average: all 2.57 0.00 0.36 0.08 0.04 96.95 Average: 0 2.22 0.00 0.34 0.07 0.04 97.33 Average: 1 2.92 0.00 0.37 0.09 0.04 96.58